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Disentangling the E...
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Millroth, PhilipUppsala universitet,Institutionen för psykologi
(författare)
Disentangling the Effects of Serotonin on Risk Perception: S-Carriers of 5-HTTLPR Are Primarily Concerned With the Magnitude of the Outcomes, Not the Uncertainty
- Artikel/kapitelEngelska2017
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2017-10
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American Psychological Association (APA),2017
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LIBRIS-ID:oai:gup.ub.gu.se/262602
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https://gup.ub.gu.se/publication/262602URI
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https://doi.org/10.1037/bne0000209DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-333475URI
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Serotonin signaling is vital for reward processing, and hence, also for decision-making. The serotonin transporter gene linked polymorphic region (5-HTTLPR) has been connected to decision making, suggesting that short-allele carriers (s) are more risk averse than long-allele homozygotes (ll). However, previous research has not identified if this occurs because s-carriers (i) are more sensitive to the uncertainty of the outcomes or (ii) are more sensitive to the magnitude of the outcomes. This issue was disentangled using a willingness-to-pay task, where the participants evaluated prospects involving certain gains, uncertain gains, and ambiguous gains. The results clearly favored the hypothesis that s-carriers react more to the magnitude of the outcomes. Self-reported measures of everyday risk-taking behavior also favored this hypothesis. We discuss how these results are in line with recent research on the serotonergic impact on reward processing.
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Juslin, Peter,1964-Uppsala universitet,Institutionen för psykologi(Swepub:uu)petejusl
(författare)
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Eriksson, Elias,1956Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xereli
(författare)
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Ågren, ThomasUppsala universitet,Institutionen för psykologi(Swepub:uu)thoag299
(författare)
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Uppsala universitetInstitutionen för psykologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Behavioral Neuroscience: American Psychological Association (APA)131:5, s. 421-4270735-70441939-0084
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